package com.hqyj.javaSpringBoot.modules.test.dao;

import com.hqyj.javaSpringBoot.modules.test.entity.Student;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;

@Repository
public interface StudentRepository extends JpaRepository<Student, Integer>, JpaSpecificationExecutor<Student> {

    //属性查询需要按规则书写方法名
    Student findFirstByNameAndEmail(String name, String email);

    Student findFirstByAge(int age);

    @Query(value = "from Student where id = :id")
    Student getStudentById(@Param("id") int id);

    @Query(nativeQuery = true, value = "select * from test_student where id = :id")
    Student getStudentByIdForSql(@Param("id") int id);

    @Query(nativeQuery = true, value = "insert into test_student(name,email,age)" +
            "values(:#{#student.name},:#{#student.email},:#{#student.age})")
    @Modifying
    void insertStudent(@Param("student") Student student);
}
